0.20 - 0.49ct I SI1 Natural Marquise
As of April 2026, there are 1,154 natural marquise diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥23,857 JPY to ￥21,247,685 JPY, with an average of ￥719,731 JPY.
Last updated: April 2026
Available
1,154
Lowest Price
￥23,857 JPY
Highest Price
￥21,247,685 JPY
Average Price
￥719,731 JPY
Market Intelligence
Retailers Selling
6
Cross Retailer %
N/A
Price Spread
16.3%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$1,250
Median
$1,350
90th Percentile
$1,613
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
226 (19.6%)
Very Good
286 (24.8%)
Good
401 (34.7%)
Average
241 (20.9%)
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